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<h1 class="topictitle1">开启文件拦截</h1>
<div id="body0000001283108982"><p id="ZH-CN_TOPIC_0000002042804936__p8060118">请参考本节操作开启文件拦截。</p>
<div class="section" id="ZH-CN_TOPIC_0000002042804936__section195772489558"><h4 class="sectiontitle">前提条件</h4><p id="ZH-CN_TOPIC_0000002042804936__p203681751135519">文件系统已开启NFS或者CIFS共享。</p>
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<div class="section" id="ZH-CN_TOPIC_0000002042804936__section72952052836"><h4 class="sectiontitle">注意事项</h4><p id="ZH-CN_TOPIC_0000002042804936__p135157571637">文件扩展名过滤规则对双活域从端或远程复制租户Pair从端文件系统不生效。</p>
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<div class="section" id="ZH-CN_TOPIC_0000002042804936__section03756345134"><h4 class="sectiontitle">操作步骤</h4><ol id="ZH-CN_TOPIC_0000002042804936__ol1498311525414"><li id="ZH-CN_TOPIC_0000002042804936__zh-cn_topic_0000001166366216_zh-cn_topic_0000001091431193_li1570821013536"><span>在导航栏选择“数据安全 &gt; 防勒索 &gt; 勒索检测设置”。</span></li></ol><ol start="2" id="ZH-CN_TOPIC_0000002042804936__ol13790921131411"><li id="ZH-CN_TOPIC_0000002042804936__li5362122616287"><span>在<span class="uicontrol" id="ZH-CN_TOPIC_0000002042804936__uicontrol12890172918">“NAS勒索检测”</span>页签，单击选择需要开启文件拦截的租户所在行选择“更多 &gt; 开启文件拦截”。</span><p><div class="note" id="ZH-CN_TOPIC_0000002042804936__note751754763520"><img src="public_sys-resources/note_3.0-zh-cn.png"><span class="notetitle"> </span><div class="notebody"><ul id="ZH-CN_TOPIC_0000002042804936__ul2045311719102"><li id="ZH-CN_TOPIC_0000002042804936__li163418810101">您也可以勾选多个需要开启文件拦截的租户，单击租户列表上方的<span class="uicontrol" id="ZH-CN_TOPIC_0000002042804936__uicontrol1155885215407">“开启文件拦截”</span>。</li><li id="ZH-CN_TOPIC_0000002042804936__li84532771015">如果不需要文件拦截，请单击“更多 &gt; 禁用文件拦截”。或者勾选多个需要禁用文件拦截的租户，单击租户列表上方的“更多 &gt; 禁用文件拦截”。</li></ul>
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</p></li><li id="ZH-CN_TOPIC_0000002042804936__li3647205162"><span>单击租户的<span class="uicontrol" id="ZH-CN_TOPIC_0000002042804936__zh-cn_topic_0000001283108982_uicontrol19446220181513">“文件扩展名过滤规则数量”</span>，查看文件扩展名过滤规则的关联状态。关联状态说明如<a href="#ZH-CN_TOPIC_0000002042804936__table450913122183">表 文件扩展名过滤规则关联状态说明</a>。如果关联状态为<span class="uicontrol" id="ZH-CN_TOPIC_0000002042804936__zh-cn_topic_0000001283108982_uicontrol173383421403">“已应用”</span>，表明文件扩展名过滤规则已生效。</span><p>
<div class="tablenoborder"><a name="ZH-CN_TOPIC_0000002042804936__table450913122183"></a><a name="table450913122183"></a><table cellpadding="4" cellspacing="0" summary="" id="ZH-CN_TOPIC_0000002042804936__table450913122183" frame="border" border="1" rules="all"><caption><b>表1 </b>文件扩展名过滤规则关联状态说明</caption><colgroup><col style="width:22.06%"><col style="width:77.94%"></colgroup><thead align="left"><tr id="ZH-CN_TOPIC_0000002042804936__row17509181216189"><th align="left" class="cellrowborder" valign="top" width="22.06%" id="mcps1.3.4.3.2.2.1.2.3.1.1"><p id="ZH-CN_TOPIC_0000002042804936__p350910127186">关联状态</p>
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<th align="left" class="cellrowborder" valign="top" width="77.94%" id="mcps1.3.4.3.2.2.1.2.3.1.2"><p id="ZH-CN_TOPIC_0000002042804936__p12509201261818">说明</p>
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<tbody><tr id="ZH-CN_TOPIC_0000002042804936__row750918121189"><td class="cellrowborder" valign="top" width="22.06%" headers="mcps1.3.4.3.2.2.1.2.3.1.1 "><p id="ZH-CN_TOPIC_0000002042804936__zh-cn_topic_0000001283108982_p10509412191810">已关联</p>
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<td class="cellrowborder" valign="top" width="77.94%" headers="mcps1.3.4.3.2.2.1.2.3.1.2 "><p id="ZH-CN_TOPIC_0000002042804936__zh-cn_topic_0000001283108982_p450911215181">文件扩展名过滤规则已关联租户。</p>
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<tr id="ZH-CN_TOPIC_0000002042804936__row950931215184"><td class="cellrowborder" valign="top" width="22.06%" headers="mcps1.3.4.3.2.2.1.2.3.1.1 "><p id="ZH-CN_TOPIC_0000002042804936__zh-cn_topic_0000001283108982_p18509131212182">已应用</p>
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<td class="cellrowborder" valign="top" width="77.94%" headers="mcps1.3.4.3.2.2.1.2.3.1.2 "><p id="ZH-CN_TOPIC_0000002042804936__zh-cn_topic_0000001283108982_p8509181214182">文件扩展名过滤规则已应用到租户的文件系统。文件系统中相同扩展名文件的创建、打开和重命名行为将被阻止。</p>
<div class="note" id="ZH-CN_TOPIC_0000002042804936__zh-cn_topic_0000001283108982_note156481438182119"><span class="notetitle"> 说明： </span><div class="notebody"><p id="ZH-CN_TOPIC_0000002042804936__zh-cn_topic_0000001283108982_p1430704116224">在通过CIFS共享访问文件系统时，删除操作需要先打开文件再执行删除，因此删除文件的操作也会被拦截。</p>
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<tr id="ZH-CN_TOPIC_0000002042804936__row14509712111814"><td class="cellrowborder" valign="top" width="22.06%" headers="mcps1.3.4.3.2.2.1.2.3.1.1 "><p id="ZH-CN_TOPIC_0000002042804936__zh-cn_topic_0000001283108982_p11509161215186">应用中</p>
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<td class="cellrowborder" valign="top" width="77.94%" headers="mcps1.3.4.3.2.2.1.2.3.1.2 "><p id="ZH-CN_TOPIC_0000002042804936__zh-cn_topic_0000001283108982_p350911218189">文件扩展名过滤规则正在应用到租户的文件系统。</p>
</td>
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<tr id="ZH-CN_TOPIC_0000002042804936__row1450961212189"><td class="cellrowborder" valign="top" width="22.06%" headers="mcps1.3.4.3.2.2.1.2.3.1.1 "><p id="ZH-CN_TOPIC_0000002042804936__zh-cn_topic_0000001283108982_p151010122187">解除关联中</p>
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<td class="cellrowborder" valign="top" width="77.94%" headers="mcps1.3.4.3.2.2.1.2.3.1.2 "><p id="ZH-CN_TOPIC_0000002042804936__zh-cn_topic_0000001283108982_p155107126186">文件扩展名过滤规则与租户正在解除关联。文件系统也将会取消应用。</p>
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<tr id="ZH-CN_TOPIC_0000002042804936__row1551021217184"><td class="cellrowborder" valign="top" width="22.06%" headers="mcps1.3.4.3.2.2.1.2.3.1.1 "><p id="ZH-CN_TOPIC_0000002042804936__zh-cn_topic_0000001283108982_p451091213189">取消应用中</p>
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<td class="cellrowborder" valign="top" width="77.94%" headers="mcps1.3.4.3.2.2.1.2.3.1.2 "><p id="ZH-CN_TOPIC_0000002042804936__zh-cn_topic_0000001283108982_p95109126186">文件扩展名过滤规则正在取消应用到租户的文件系统。</p>
</td>
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<tr id="ZH-CN_TOPIC_0000002042804936__row14053817198"><td class="cellrowborder" valign="top" width="22.06%" headers="mcps1.3.4.3.2.2.1.2.3.1.1 "><p id="ZH-CN_TOPIC_0000002042804936__zh-cn_topic_0000001283108982_p440515811193">异常</p>
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<td class="cellrowborder" valign="top" width="77.94%" headers="mcps1.3.4.3.2.2.1.2.3.1.2 "><p id="ZH-CN_TOPIC_0000002042804936__zh-cn_topic_0000001283108982_p440511812194">租户已应用的文件扩展名过滤规则对部分文件系统共享未生效。</p>
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<div class="parentlink"><strong>父主题：</strong> <a href="zh-cn_topic_0000002042963200.html">使用勒索文件拦截（适用于文件业务）</a></div>
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